Answer:
D they are both because they can be both metals and no metals
Explanation:
Answer: definetly A, food webs
Explanation:
the other options are not even related to organisms
Answer:
3) they lose energy at a varying rate - is the correct answer.
Radioactive decay is defined as the process by which an unstable atomic nucleus loses its energy by emitting radiations. The decay is random and cannot be predicted earlier.
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Explanation: